Here you go, I2S output: https://github.com/bschwind/rp2040-i2s/blob/e1d5647704b03ad1dd7200db9ba9ab4759bf38ca/src/lib.rs#L90-L100 https://github.com/bschwind/r

Here you go, I2S output: https://github.com/bschwind/rp2040-i2s/blob/e1d5647704b03ad1dd7200db9ba9ab4759bf38ca/src/lib.rs#L90-L100 https://github.com/bschwind/rp2040-i2s/blob/e1d5647704b03ad1... And I2S input: https://github.com/bschwind/rp2040-i2s/blob/e1d5647704b03ad1dd7200db9ba9ab4759bf38ca/src/lib.rs#L173-L183 https://github.com/bschwind/rp2040-i2s/blob/e1d5647704b03ad1... The RP2040 has great documentation and the PIO is an amazing swiss army knife of a peripheral. I've had no trouble learning from their datasheet and docs and making plenty of PIO programs.